Right linear map preserving the left spectrum of 2x2 quaternion matrices; pp. 378–386

Authors

Deyu Duan, Xiang Gong, Geng Yuan, Fahui Zhai

Abstract

In this paper, the form of a right linear map preserving the left spectrum of quaternion matrices of order 2 is characterized. The obtained conclusion is different from the classical results of the linear map preserving eigenvalues of complex matrices.